I te wa e whiriwhiri ana i te pākahiko tino tika mo o hiahia, he maha nga mea nui hei whakaaro.Anei etahi o nga huarahi hei awhina i a koe ki te whakatau whakatau:

1. Whakatauhia o hiahia mana: Tatauhia te mana, te kaha ranei o te taputapu, te tono ranei e hiahia ana koe ki te pākahiko.Whakaarohia nga mea penei i te ngaohiko, te naianei, me te wa mahi.
2. Kia mohio ki nga momo momo pākahiko: He momo momo pākahiko, tae atu ki te kawakore (hei tauira:1.5v AA LR6 Pūhiko Alkaline, 1.5vAAA LR03 pūhiko kawakore, 1.5v LR14C pūhiko kawakore,1.5V LR20 D pūhiko kawakore, 6LR61 9V pūhiko kawakore, 12V MN21 23A pūhiko kawakore,12V MN27 27A pūhiko kawakore), lithium-ion (hei tauira:18650 Rechargeable 3.7V Lithium Ion Pūhiko, 16340 Pūhiko lithium-ion rechargeable, 32700 lithium-ion Pūhiko rechargeableetc..), lead-waikawa,AA AAA nickel-metal hydride Battery(hei tauira:AAA nickel-metal hydride Pūhiko, AA nickel-metal hydridePūhiko, nickel-metal hydride mōkihi Pūhiko), me etahi atu.He rereke nga ahuatanga o ia momo, he pai mo nga tono rereke.
3. Whakaarohia nga tikanga taiao: Whakaarohia nga ahuatanga o te taiao e whakamahia ai te pākahiko.He pai ake te mahi a etahi pākahiko i te tino mahana, te makuku nui ranei (nickel-metal hydride mōkihi Pūhiko, 18650 Rechargeable 3.7V Lithium Ion Pūhiko), na he mea nui ki te whiriwhiri i te pākahiko ka taea te whakahaere i nga tikanga taiao o to tono.
4. Te taumaha me te rahi: Mena ka whakamahia te pākahiko i roto i te taputapu kawe, whakaarohia te taumaha me te rahi o te pākahiko kia pai ai mo o hiahia.
5. Utu: Whakaarohia to tahua me te utu mo te wa roa o te pākahiko, tae atu ki nga mea penei i te roanga o te oranga me nga whakaritenga tiaki (hei tauira1.5v AA Rua A Momo C USB Rechargeable Li-ion Battery).
6. Te haumaru me te pono: Me whakarite he haumaru, he pono hoki te pākahiko e whiriwhiria e koe mo to tono motuhake.Rapua nga waitohu rongonui me te tirotiro mo nga tiwhikete e tika ana, te hanganga ture ranei.
7. Ka taea te utu me te kore e taea te utu: Whakatauhia mena ka hiahia koe ki te whakamahi i te pākahiko karekau, karekau ranei i runga i to tauira whakamahi, me te mea ka taea te whakakii auau mo to tono.
8. Rapua he tohutohu tohunga: Ki te kore koe e tino mohio ko tehea te pākahiko e pai ana mo o hiahia, whakaarohia te rapu tohutohu mai i tetahi tohunga pākahiko, kaihanga ranei.

Ma te whai whakaaro ki enei mea, ka taea e koe te whakatau i runga i te whakaaro mo te pākahiko tino tika mo o hiahia.